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  1. #1

    # of CPUs in WHM

    I have a dedicated box which has dual Xeon 2.8GHz. they are not dual-core cpus but the WHM is showing 4 cpus total, is this normal? this is my cpuinfo:

    cat /proc/cpuinfo

    processor : 0
    vendor_id : GenuineIntel
    cpu family : 15
    model : 4
    model name : Intel(R) Xeon(TM) CPU 2.80GHz
    stepping : 10
    cpu MHz : 2801.979
    cache size : 2048 KB
    physical id : 0
    siblings : 2
    core id : 0
    cpu cores : 1
    fdiv_bug : no
    hlt_bug : no
    f00f_bug : no
    coma_bug : no
    fpu : yes
    fpu_exception : yes
    cpuid level : 5
    wp : yes
    flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe lm pni monitor ds_cpl cid xtpr
    bogomips : 5603.90

    processor : 1
    vendor_id : GenuineIntel
    cpu family : 15
    model : 4
    model name : Intel(R) Xeon(TM) CPU 2.80GHz
    stepping : 10
    cpu MHz : 2801.979
    cache size : 2048 KB
    physical id : 0
    siblings : 2
    core id : 0
    cpu cores : 1
    fdiv_bug : no
    hlt_bug : no
    f00f_bug : no
    coma_bug : no
    fpu : yes
    fpu_exception : yes
    cpuid level : 5
    wp : yes
    flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe lm pni monitor ds_cpl cid xtpr
    bogomips : 5599.46

    processor : 2
    vendor_id : GenuineIntel
    cpu family : 15
    model : 4
    model name : Intel(R) Xeon(TM) CPU 2.80GHz
    stepping : 10
    cpu MHz : 2801.979
    cache size : 2048 KB
    physical id : 3
    siblings : 2
    core id : 3
    cpu cores : 1
    fdiv_bug : no
    hlt_bug : no
    f00f_bug : no
    coma_bug : no
    fpu : yes
    fpu_exception : yes
    cpuid level : 5
    wp : yes
    flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe lm pni monitor ds_cpl cid xtpr
    bogomips : 5599.42

    processor : 3
    vendor_id : GenuineIntel
    cpu family : 15
    model : 4
    model name : Intel(R) Xeon(TM) CPU 2.80GHz
    stepping : 10
    cpu MHz : 2801.979
    cache size : 2048 KB
    physical id : 3
    siblings : 2
    core id : 3
    cpu cores : 1
    fdiv_bug : no
    hlt_bug : no
    f00f_bug : no
    coma_bug : no
    fpu : yes
    fpu_exception : yes
    cpuid level : 5
    wp : yes
    flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe lm pni monitor ds_cpl cid xtpr
    bogomips : 5599.48

  2. #2
    Join Date
    Jul 2003
    Location
    Goleta, CA
    Posts
    5,550
    Hyperthreading with a dual cpu system will show up as four cpus even though there are only two physical cores.
    Patron: I'd like my free lunch please.
    Cafe Manager: Free lunch? Did you read the fine print stating it was an April Fool's joke.
    Patron: I read the same way I listen, I ignore the parts I don't agree with. I'm suing you for false advertising.
    Cafe Owner: Is our lawyer still working pro bono?

  3. #3
    Exactly what pixelized said. And for a dual CPU AND dual core box with HT, it would look like this:

    # grep -i ghz /proc/cpuinfo
    model name : Intel(R) Xeon(TM) CPU 3.00GHz
    model name : Intel(R) Xeon(TM) CPU 3.00GHz
    model name : Intel(R) Xeon(TM) CPU 3.00GHz
    model name : Intel(R) Xeon(TM) CPU 3.00GHz
    model name : Intel(R) Xeon(TM) CPU 3.00GHz
    model name : Intel(R) Xeon(TM) CPU 3.00GHz
    model name : Intel(R) Xeon(TM) CPU 3.00GHz
    model name : Intel(R) Xeon(TM) CPU 3.00GHz

    You can learn more about HT here: http://en.wikipedia.org/wiki/Hyper-threading

  4. #4
    Join Date
    Jul 2004
    Posts
    352
    Quote Originally Posted by jpetersen
    Exactly what pixelized said. And for a dual CPU AND dual core box with HT, it would look like this:

    # grep -i ghz /proc/cpuinfo
    model name : Intel(R) Xeon(TM) CPU 3.00GHz
    model name : Intel(R) Xeon(TM) CPU 3.00GHz
    model name : Intel(R) Xeon(TM) CPU 3.00GHz
    model name : Intel(R) Xeon(TM) CPU 3.00GHz
    model name : Intel(R) Xeon(TM) CPU 3.00GHz
    model name : Intel(R) Xeon(TM) CPU 3.00GHz
    model name : Intel(R) Xeon(TM) CPU 3.00GHz
    model name : Intel(R) Xeon(TM) CPU 3.00GHz
    http://en.wikipedia.org/wiki/Hyper-threading
    I just launched a new dual Dempsey box....I must say there is something cool about seeing what appears to be 8 processors.

  5. #5
    thanks guys. that explains it.

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